Gold Knowledge Wiki

The gold jewelry currently sold on the market is divided into pure gold and k gold jewelry. According to the national standard GB11887, the content of several common gold jewelry is: 1.24k --- currently the market occasionally sees gold jewelry labeled 24k. According to the national standard, 24k is the theoretical value of gold content of 100%, but gold is not red. Because the gold jewelry currently on the market is divided into pure gold and k gold jewelry. According to the national standard gb11887, there are several common gold jewelry The content is: 1.24k---the current market occasionally sees gold jewelry labeled 24k. According to the national standard, 24k is the theoretical value of gold content of 100%, but gold is not full, so strictly speaking 24k does not exist, and 24k is marked It does not exist and does not meet national standards. 2. Thousands of pure gold refers to pure gold jewelry with a metal content of 99.9%. Engraved with 999 or one thousand pure gold characters 3. Pure gold refers to pure gold jewelry containing 99% gold, engraved with 99% or pure gold 4.18k gold appears yellow, 75% gold content, and other 25% de metals Silver bronze, engraved with 18k or g750 mark. 5.18k white gold is white and contains 75% gold. The other 25% metals are silver, zinc and nickel, with the 18k or g750 mark. 6.18k rose gold presents rose red, 75% gold content, and 25% copper for other metals, engraved with 18k or g750 mark. 7.14k gold, 58.8% gold content. To buy gold jewelry, you must first recognize the quality inspection mark of gold jewelry. Most of the gold jewelry sold on the market are equipped with the quality inspection mark of the quality inspection agency, which clearly indicates the gold content, manufacturer code, material and purity of the jewelry. my country has clear regulations on the imprints and identification plates of gold products. If there is no mark, it is a substandard product. The same is true internationally, but some small products are not allowed to be marked. Previous: The grade of gold jewelry Next: The concept of gold